jeudi 17 mai 2018

Levels of ozone-destroying CFCs are mysteriously rising

CFC chemicals, which were globally banned by the Montreal protocol in 1987, have been experiencing a comeback. In recent years, levels of CFCs have increased suddenly and mysteriously. The producer of the CFCs has yet to be determined. US National Oceanic and Atmospheric Administration (NOAA) researcher Stephen Montzka discovered the unusual trend. “I have been doing this for 27 years and this is the most surprising thing I’ve ever seen,” he told the Guardian. “I was just shocked by i...

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